随笔分类 - Java之旅
正式开始学java
摘要：1 "); 5 //使用URLDecoder解码字符串 6 String queryStr = java.net.URLDecoder.decode( 7 rawQueryStr , "gbk"); 8 out.println("解码后的查询字符串为：" + queryStr + ""); 9 //以&符号分解查询字符串10 String[] paramPairs = queryStr.split("&");11 for(String paramPair : paramPairs)12 {
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摘要：1 package JDBCDEMOS; 2 3 //import java.net.ConnectException; 4 import java.io.File; 5 import java.io.FileInputStream; 6 import java.io.InputStream; 7 import java.sql.DriverManager; 8 import java.sql.PreparedStatement; 9 import java.sql.ResultSet;10 import java.sql.SQLException;11 import java.sql.C..
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摘要：1 package JDBCDEMOS; 2 3 //import java.net.ConnectException; 4 import java.sql.DriverManager; 5 import java.sql.ResultSet; 6 import java.sql.SQLException; 7 import java.sql.Connection; 8 import java.sql.Statement; 9 10 //import com.mysql.jdbc.Statement;11 12 public class JDBCDEMO1 {13 public s...
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摘要：1 package test; 2 3 import java.awt.Container; 4 import java.awt.GridLayout; 5 import java.awt.event.WindowAdapter; 6 import java.awt.event.WindowEvent; 7 import java.io.File; 8 import java.util.Vector; 9 10 import javax.swing.BorderFactory;11 import javax.swing.ComboBoxEditor;12 import javax.swin..
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摘要：1 package test; 2 3 import java.awt.Container; 4 import java.awt.GridLayout; 5 import java.awt.event.WindowAdapter; 6 import java.awt.event.WindowEvent; 7 import java.io.File; 8 import java.util.Vector; 9 10 import javax.swing.BorderFactory;11 import javax.swing.ComboBoxEditor;12 import javax.swin..
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摘要：1 package test; 2 3 import java.awt.Container; 4 import java.awt.GridLayout; 5 import java.awt.event.WindowAdapter; 6 import java.awt.event.WindowEvent; 7 import java.util.Vector; 8 9 import javax.swing.BorderFactory;10 import javax.swing.JCheckBox;11 import javax.swing.JComboBox;12 import javax....
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摘要：1 package test; 2 3 import java.awt.Container; 4 import java.awt.GridLayout; 5 import java.awt.event.WindowAdapter; 6 import java.awt.event.WindowEvent; 7 8 import javax.swing.BorderFactory; 9 import javax.swing.JFrame;10 import javax.swing.JPanel;11 import javax.swing.JRadioButton;12 13 class My...
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摘要：1 package LoginDemo; 2 3 import java.awt.event.KeyEvent; 4 import java.awt.event.KeyListener; 5 import java.awt.event.WindowEvent; 6 import java.awt.event.WindowAdapter; 7 import javax.swing.JFrame; 8 import javax.swing.JScrollPane; 9 import javax.swing.JTextArea;10 11 class MyKeyHandle extends JF..
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摘要：1 package test; 2 3 import java.awt.Font; 4 import java.awt.GridLayout; 5 import java.awt.LayoutManager; 6 import java.awt.event.ActionEvent; 7 import java.awt.event.ActionListener; 8 import java.awt.event.WindowAdapter; 9 import java.awt.event.WindowEvent;10 //import java.util.EmptyStackException..
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摘要：1 package test; 2 3 import java.awt.GridLayout; 4 import java.awt.LayoutManager; 5 //import java.util.EmptyStackException; 6 7 import javax.swing.JFrame; 8 import javax.swing.JLabel; 9 import javax.swing.JScrollPane;10 import javax.swing.JTextArea;11 12 public class test {13 public static voi...
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摘要：1 package test; 2 3 import java.awt.Container; 4 import java.awt.Font; 5 import java.awt.GridLayout; 6 import java.io.File; 7 import java.util.EmptyStackException; 8 import java.util.Iterator; 9 import java.util.Stack;10 11 import javax.swing.Icon;12 import javax.swing.ImageIcon;13 import javax.sw..
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摘要：1 package test; 2 3 import java.awt.Container; 4 import java.awt.Font; 5 import java.awt.GridLayout; 6 import java.io.File; 7 import java.util.EmptyStackException; 8 import java.util.Iterator; 9 import java.util.Stack;10 11 import javax.swing.Icon;12 import javax.swing.ImageIcon;13 import javax.sw..
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摘要：1 package test; 2 3 import java.awt.Container; 4 import java.awt.Font; 5 import java.io.File; 6 import java.util.EmptyStackException; 7 import java.util.Iterator; 8 import java.util.Stack; 9 10 import javax.swing.Icon;11 import javax.swing.ImageIcon;12 import javax.swing.JButton;13 import javax.sw..
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摘要：1 import java.awt.Container; 2 import java.awt.Font; 3 import java.io.File; 4 import java.util.EmptyStackException; 5 import java.util.Iterator; 6 import java.util.Stack; 7 8 import javax.swing.Icon; 9 import javax.swing.ImageIcon;10 import javax.swing.JButton;11 import javax.swing.JFrame;12 impor..
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摘要：1 package test; 2 3 import java.awt.Color; 4 import java.awt.Dimension; 5 import java.awt.Font; 6 import java.awt.Point; 7 import java.io.File; 8 import java.io.FileInputStream; 9 import java.io.InputStream;10 11 import javax.swing.Icon;12 import javax.swing.ImageIcon;13 import javax.swing.JFrame;..
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摘要：1 import java.util.Collections; 2 import java.util.Iterator; 3 import java.util.List; 4 import java.util.ArrayList; 5 import java.util.Collection; 6 7 public class ImplementsDemo { 8 public static void main(String[] args) { 9 List<String> all=new ArrayList<String>();10 Collecti...
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摘要：1 package test; 2 3 import java.util.ArrayList; 4 import java.util.Collection; 5 import java.util.HashMap; 6 import java.util.Iterator; 7 import java.util.List; 8 import java.util.ListIterator; 9 import java.util.Map;10 import java.util.Set;11 import java.util.SortedSet;12 import java.util.TreeSet..
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摘要：1 package test; 2 3 import java.util.ArrayList; 4 import java.util.List; 5 import java.util.ListIterator; 6 import java.util.SortedSet; 7 import java.util.TreeSet; 8 9 public class test {10 public static void main(String[] args) {11 List<String> all=new ArrayList<String>();12 ...
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摘要：1 import java.util.SortedSet; 2 import java.util.TreeSet; 3 4 public class test { 5 public static void main(String[] args) { 6 SortedSet<String> allSet=new TreeSet<String>(); 7 allSet.add("A"); 8 allSet.add("B"); 9 allSet.add("B");10 allSet.add("B"
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摘要：1 package hjw; 2 3 import java.util.List; 4 import java.util.Vector; 5 6 public class VetorDemo { 7 public static void main(String[] args) { 8 List<String> allList=null; 9 allList=new Vector<String>();10 allList.add("Hello");11 allList.add(0,"World");12 ...
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